Great Dane GDRZ25KAE manual Operating the Machine, Stopping the Machine, Adjusting Cutting Height

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OPERATING

seconds.

Repeat the procedure if necessary.

IMPORTANT: Avoid damage! Unnecessary engine idling may cause engine damage. Excessive idling can cause engine overheating, carbon build-up and poor performance.

9.Let the engine run at half-speed position for several minutes to warm up before operating the machine. Reduce choke setting as the engine warms up.

Operating the Machine

cCAUTION: Avoid injury! Learn the use of the control levers. Practice at half throttle until becoming proficient and comfortable with the operation of the machine.

Do not move control levers from forward to reverse or reverse to forward position rapidly. Sudden direction changes could cause loss of control or damage the machine.

1.Adjust mower deck to desired cutting height.

2.Start and warm up engine at half throttle.

3.Move PTO/clutch switch to on position.

4.Move throttle lever to wide open position.

5.Unlock park brake.

NOTE: The travel speed and turn rate will vary with the amount that the control levers are moved.

MX9220

6. Drive the machine:

To drive the machine forward: Push both control levers

forward smoothly and evenly.

To turn the machine: Pull the control lever back on the same side as the direction of the desired turn. Push the other lever forward.

To stop the machine: Return both control levers to the

neutral position.

To drive the machine in reverse: Pull both control levers

back evenly.

Stopping the Machine

NOTE: If the operator leaves the seat without placing the PTO switch in the off position, the mower blades will stop as soon the operator leaves the seat.

1.Move the PTO/clutch switch to the off position.

2.Return both control levers to the neutral position.

cCAUTION: Avoid injury! Children or bystanders may attempt to move or operate an unattended machine.

Always lock the park brake and remove the key before leaving the machine unattended.

3.Lock park brake.

4.Move the throttle lever to the half-speed position, and let the engine run at low throttle for a few seconds.

5.Turn the key switch to the stop position.

6.Remove key.

Adjusting Cutting Height

Cutting height can be adjusted from approximately 25-152

mm(1-6 in.). Each hole adjusts the height of cut (HOC) in 13 mm (1/2 in.) increments.

The deck can also be raised and locked in a transport position to provide maximum ground clearance when moving the machine from one area to another.

A

C

B

MX9215

1.Push the mower deck lift/lower pedal (A) forward to raise and latch the deck in the transport position.

2.Position the HOC adjustment pin (B) in the proper hole for the desired height of cut.

Operating - 8

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Contents OPERATOR’S Manual Record Identification Numbers Using Your Operator’s ManualIntroduction Special MessagesTable of Contents Understanding The Machine Safety Labels SafetyAgency Category Hours Emission Compliance Period Small Off-Road Gas EnginesOperating Safely Avoid Tipping Checking Mowing AreaParking Safely Rotating Blades are DangerousDriving Safely on Public Roads Practice Safe MaintenanceKeep Riders Off Checking Wheel BoltsFuel and fuel vapors are highly flammable and explosive Tire SafetyPrevent Fires Handling Fuel SafelyConsole Controls Operating Controls Daily Operating ChecklistTesting Safety Systems OperatingTesting Seat Safety Switch Testing Park Brake Safety SwitchTesting Park Brake Testing Neutral Start Safety SwitchTo drive the machine forward Push both control levers Adjusting Cutting HeightOperating the Machine Stopping the MachinePicture Note Left pump shown Using the Fuel Shutoff ValveMoving the Machine Manually Part Numbers Replacement PartsParts Service Intervals Lubrication Points Service LubricationGrease Spray LubricantService Engine Replacing Fuel Filter Adjusting CarburetorChecking Spark Plug Checking Transmission Oil Level Service TransmissionAdjusting Transmission Neutral Position Transmission OilBleeding Hydraulic System Removing and Installing Traction Drive BeltRaise drive wheels off the ground and block caster wheels Adjust Cutting Height Service MowerAdjusting Mower Level Removing and Installing Mower Deck Drive Belts Checking and Adjusting Mower Deck Drive Belt TensionBalancing Mower Blades Checking for Bent Mower BladesServicing Mower Blades Replacing Mower Spindle Bearings Replacing Mower Deck Idler Pulleys Checking Battery Electrolyte Level Service ElectricalRemoving and Installing the Battery Replacing Fuses Cleaning Battery and TerminalsCheck and Adjust PTO Clutch Air Gap Kohler Wiring Schematic Servicing Caster Wheel Roller Bearings Service MiscellaneousFilling Fuel Tank Checking Wheel NutsG, unless the bearings need to be replaced Check TroubleshootingUsing Troubleshooting Chart EngineMower ElectricalMachine Operation Troubleshooting Preparing Fuel and Engine for Storage Storing SafetyStorage Preparing Machine for StorageAssembly Level Mower Deck Initial AdjustmentsPTO Clutch Run-in Procedure Check Tire PressureSpecifications Belt, Replacing Mower Drive Primary IndexPage Record Service Dates Service Record GD